Patents by Inventor Naruhiko Nishiwaki

Naruhiko Nishiwaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230107255
    Abstract: A probe card includes: a plurality of conductive contact probes; a probe head configured to accommodate ends of the plurality of contact probes; a laminated member laminated on the probe head on a side opposite to a side of the probe head; and a fastening member including a screw and a nut configured to fasten the probe head and the laminated member to each other, the screw including a head provided on the side of the probe head in which the contact probes extend outwardly, and a shaft inserted through the probe head and the laminated member, the shaft extending and having a diameter smaller than a diameter of the head. The shaft is fixed to the probe head, is threadedly connected to the nut on an end side opposite to the head side, and is configured to fasten the probe head and the laminated member to each other.
    Type: Application
    Filed: March 2, 2021
    Publication date: April 6, 2023
    Applicant: NHK Spring Co., Ltd.
    Inventors: Naruhiko Nishiwaki, Masahiro Takahashi, Kazuya Soma, Satoshi Shoji, Shuji Takahashi